The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 2026
Filed:
Sep. 09, 2022
Kone Corporation, Helsinki, FI;
KONE Corporation, Helsinki, FI;
Abstract
A method for testing an elevator hoisting machine brake with a preselected test load TL includes confirming empty elevator car positioned at a test location s; obtaining information of elevator balancing B; obtaining information of friction Fof the elevator at the test location s; determining required assisting test torque Tof a hoisting machine motor based on said test load TL, balancing B and friction F; opening one of the brakes while keeping rest of the brakes engaged in braking position, applying torque with the motor at most up to the required test torque T, measuring movement of the elevator car, and if movement of the elevator car was detected, generating a signal indicating degraded condition of one or more hoisting machine brakes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile